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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "ui/views/examples/multiline_example.h" | 5 #include "ui/views/examples/multiline_example.h" |
| 6 | 6 |
| 7 #include "base/strings/utf_string_conversions.h" | 7 #include "base/strings/utf_string_conversions.h" |
| 8 #include "ui/events/event.h" | 8 #include "ui/events/event.h" |
| 9 #include "ui/gfx/render_text.h" | 9 #include "ui/gfx/render_text.h" |
| 10 #include "ui/views/background.h" | 10 #include "ui/views/background.h" |
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| 28 return range; | 28 return range; |
| 29 } | 29 } |
| 30 | 30 |
| 31 // A Label with a clamped preferred width to demonstrate wrapping. | 31 // A Label with a clamped preferred width to demonstrate wrapping. |
| 32 class PreferredSizeLabel : public Label { | 32 class PreferredSizeLabel : public Label { |
| 33 public: | 33 public: |
| 34 PreferredSizeLabel() : Label() {} | 34 PreferredSizeLabel() : Label() {} |
| 35 virtual ~PreferredSizeLabel() {} | 35 virtual ~PreferredSizeLabel() {} |
| 36 | 36 |
| 37 // Label: | 37 // Label: |
| 38 virtual gfx::Size GetPreferredSize() const OVERRIDE { | 38 virtual gfx::Size GetPreferredSize() const override { |
| 39 return gfx::Size(50, Label::GetPreferredSize().height()); | 39 return gfx::Size(50, Label::GetPreferredSize().height()); |
| 40 } | 40 } |
| 41 | 41 |
| 42 private: | 42 private: |
| 43 DISALLOW_COPY_AND_ASSIGN(PreferredSizeLabel); | 43 DISALLOW_COPY_AND_ASSIGN(PreferredSizeLabel); |
| 44 }; | 44 }; |
| 45 | 45 |
| 46 } // namespace | 46 } // namespace |
| 47 | 47 |
| 48 // A simple View that hosts a RenderText object. | 48 // A simple View that hosts a RenderText object. |
| 49 class MultilineExample::RenderTextView : public View { | 49 class MultilineExample::RenderTextView : public View { |
| 50 public: | 50 public: |
| 51 RenderTextView() : render_text_(gfx::RenderText::CreateInstance()) { | 51 RenderTextView() : render_text_(gfx::RenderText::CreateInstance()) { |
| 52 render_text_->SetHorizontalAlignment(gfx::ALIGN_CENTER); | 52 render_text_->SetHorizontalAlignment(gfx::ALIGN_CENTER); |
| 53 render_text_->SetColor(SK_ColorBLACK); | 53 render_text_->SetColor(SK_ColorBLACK); |
| 54 render_text_->SetMultiline(true); | 54 render_text_->SetMultiline(true); |
| 55 SetBorder(Border::CreateSolidBorder(2, SK_ColorGRAY)); | 55 SetBorder(Border::CreateSolidBorder(2, SK_ColorGRAY)); |
| 56 } | 56 } |
| 57 | 57 |
| 58 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE { | 58 virtual void OnPaint(gfx::Canvas* canvas) override { |
| 59 View::OnPaint(canvas); | 59 View::OnPaint(canvas); |
| 60 render_text_->Draw(canvas); | 60 render_text_->Draw(canvas); |
| 61 } | 61 } |
| 62 | 62 |
| 63 virtual gfx::Size GetPreferredSize() const OVERRIDE { | 63 virtual gfx::Size GetPreferredSize() const override { |
| 64 // Turn off multiline mode to get the single-line text size, which is the | 64 // Turn off multiline mode to get the single-line text size, which is the |
| 65 // preferred size for this view. | 65 // preferred size for this view. |
| 66 render_text_->SetMultiline(false); | 66 render_text_->SetMultiline(false); |
| 67 gfx::Size size(render_text_->GetContentWidth(), | 67 gfx::Size size(render_text_->GetContentWidth(), |
| 68 render_text_->GetStringSize().height()); | 68 render_text_->GetStringSize().height()); |
| 69 size.Enlarge(GetInsets().width(), GetInsets().height()); | 69 size.Enlarge(GetInsets().width(), GetInsets().height()); |
| 70 render_text_->SetMultiline(true); | 70 render_text_->SetMultiline(true); |
| 71 return size; | 71 return size; |
| 72 } | 72 } |
| 73 | 73 |
| 74 virtual int GetHeightForWidth(int w) const OVERRIDE { | 74 virtual int GetHeightForWidth(int w) const override { |
| 75 // TODO(ckocagil): Why does this happen? | 75 // TODO(ckocagil): Why does this happen? |
| 76 if (w == 0) | 76 if (w == 0) |
| 77 return View::GetHeightForWidth(w); | 77 return View::GetHeightForWidth(w); |
| 78 const gfx::Rect old_rect = render_text_->display_rect(); | 78 const gfx::Rect old_rect = render_text_->display_rect(); |
| 79 gfx::Rect rect = old_rect; | 79 gfx::Rect rect = old_rect; |
| 80 rect.set_width(w - GetInsets().width()); | 80 rect.set_width(w - GetInsets().width()); |
| 81 render_text_->SetDisplayRect(rect); | 81 render_text_->SetDisplayRect(rect); |
| 82 int height = render_text_->GetStringSize().height() + GetInsets().height(); | 82 int height = render_text_->GetStringSize().height() + GetInsets().height(); |
| 83 render_text_->SetDisplayRect(old_rect); | 83 render_text_->SetDisplayRect(old_rect); |
| 84 return height; | 84 return height; |
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| 97 render_text_->SetStyle(gfx::DIAGONAL_STRIKE, false); | 97 render_text_->SetStyle(gfx::DIAGONAL_STRIKE, false); |
| 98 render_text_->ApplyStyle(gfx::DIAGONAL_STRIKE, true, color_range); | 98 render_text_->ApplyStyle(gfx::DIAGONAL_STRIKE, true, color_range); |
| 99 render_text_->SetStyle(gfx::UNDERLINE, false); | 99 render_text_->SetStyle(gfx::UNDERLINE, false); |
| 100 render_text_->ApplyStyle(gfx::UNDERLINE, true, color_range); | 100 render_text_->ApplyStyle(gfx::UNDERLINE, true, color_range); |
| 101 render_text_->ApplyStyle(gfx::BOLD, true, bold_range); | 101 render_text_->ApplyStyle(gfx::BOLD, true, bold_range); |
| 102 render_text_->ApplyStyle(gfx::ITALIC, true, italic_range); | 102 render_text_->ApplyStyle(gfx::ITALIC, true, italic_range); |
| 103 InvalidateLayout(); | 103 InvalidateLayout(); |
| 104 } | 104 } |
| 105 | 105 |
| 106 private: | 106 private: |
| 107 virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE { | 107 virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) override { |
| 108 gfx::Rect bounds = GetLocalBounds(); | 108 gfx::Rect bounds = GetLocalBounds(); |
| 109 bounds.Inset(GetInsets()); | 109 bounds.Inset(GetInsets()); |
| 110 render_text_->SetDisplayRect(bounds); | 110 render_text_->SetDisplayRect(bounds); |
| 111 } | 111 } |
| 112 | 112 |
| 113 scoped_ptr<gfx::RenderText> render_text_; | 113 scoped_ptr<gfx::RenderText> render_text_; |
| 114 | 114 |
| 115 DISALLOW_COPY_AND_ASSIGN(RenderTextView); | 115 DISALLOW_COPY_AND_ASSIGN(RenderTextView); |
| 116 }; | 116 }; |
| 117 | 117 |
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| 182 void MultilineExample::ButtonPressed(Button* sender, const ui::Event& event) { | 182 void MultilineExample::ButtonPressed(Button* sender, const ui::Event& event) { |
| 183 DCHECK_EQ(sender, label_checkbox_); | 183 DCHECK_EQ(sender, label_checkbox_); |
| 184 label_->SetText(label_checkbox_->checked() ? textfield_->text() : | 184 label_->SetText(label_checkbox_->checked() ? textfield_->text() : |
| 185 base::string16()); | 185 base::string16()); |
| 186 container()->Layout(); | 186 container()->Layout(); |
| 187 container()->SchedulePaint(); | 187 container()->SchedulePaint(); |
| 188 } | 188 } |
| 189 | 189 |
| 190 } // namespace examples | 190 } // namespace examples |
| 191 } // namespace views | 191 } // namespace views |
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